silvanaarechiga2002 silvanaarechiga2002

10-06-2020
Chemistry

contestada

beryllium abundance number

Respuesta :

Harmonystanley2007 Harmonystanley2007

10-06-2020

Answer:

Protons: 4

Neutrons in most abundant isotope: 5

Electron shells: 2,2

Electron configuration: 1s2 2s2

Explanation:

Answer Link

Otras preguntas

Please help. I need to get these matching answers right. Atmosphere- ABCDE Sinks- ABCDE Shells- ABCDE Hydrocarbon- ABCDE Ocean and lakes- ABCDE A- contain(s) di

Two numbers have their own reciprocals. What are they?

write the first six nonzero multiples 3

how did Clementine Hunter earn a living?

What part of a wind turbine provides motion to convert into electricity? a. generator b. blades c. tower d. rotor

Solve for C. 5/4= -4c + 1/4

A bakery had 54 buns. Of the buns that the bakery had, 1/6 were sold in the morning and 1/2 were sold in the evening. a. How many buns were sold altogether? b.

Which one of the following types of electromagnetic radiation causes certain substances to fluoresce? a. Ultraviolet rays b. Infrared waves c. Cosmic rays d.

What is 3(b+4)-2 for an equivalent expression

the cities of harappa and mohenjo daro depend on the indus river valley for its